gnu: complexity: Update to 1.3.

* gnu/packages/code.scm (complexity): Update to 1.3.

gnu/packages/code.scm

@@ -67,14 +67,14 @@ a major mode for Emacs for examining the flowcharts that it produces.")
 (define-public complexity
   (package
     (name "complexity")
-    (version "1.2")
+    (version "1.3")
     (source (origin
               (method url-fetch)
               (uri (string-append "mirror://gnu/complexity/complexity-"
                                   version ".tar.gz"))
               (sha256
                (base32
-                "0pmlhlj1chl4caaqffvn1cy9z8gwmjbx97syi7pdfa0vqygkql6d"))))
+                "19bc64sxpqd5rqylqaa7dijz2x7qp2b0dg3ah3fb3qbcvd8b4wgy"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("texinfo" ,texinfo)